2-Amino-5-methoxy-1-methylbenzimidazole

Also known as: 5-methoxy-1-methyl-1H-benzimidazol-2-amine, 5-methoxy-1-methyl-1H-benzoimidazol-2-ylamine, 5-methoxy-1-methyl-2-aminobenzimidazole, 5-methoxy-1-methylbenzimidazol-2-amine, 1H-benzimidazol-2-amine, 5-methoxy-1-methyl-, 5-methoxy-1-methyl-1H-benzo[d]imidazol-2-amine

2-Amino-5-methoxy-1-methylbenzimidazole (CAS 1805-02-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11N3O and a molecular weight of 177.20300 g/mol. Key properties include a boiling point of 372.7ºC at 760mmHg, a density of 1.28g/cm3 and a flash point of 179.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1805-02-3
Jingsj CID: J-1173465-9
Molecular Formula: C₉H₁₁N₃O
Molecular Weight: 177.20300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	372.7ºC at 760mmHg
Density	1.28g/cm3
Flash Point	179.2ºC
Exact Mass	177.09000
PSA	53.07000
LogP	1.74530
Vapor Pressure	9.41E-06mmHg at 25°C
Refractive Index	1.629
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-Amino-5-methoxy-1-methylbenzimidazole?

The CAS number of 2-Amino-5-methoxy-1-methylbenzimidazole is 1805-02-3.

What are the molecular formula and molecular weight of 2-Amino-5-methoxy-1-methylbenzimidazole?

2-Amino-5-methoxy-1-methylbenzimidazole has molecular formula C9H11N3O and molecular weight 177.20300 g/mol.

What are the upstream and downstream products of 2-Amino-5-methoxy-1-methylbenzimidazole?

For 2-Amino-5-methoxy-1-methylbenzimidazole, Upstream Products: 4-Methoxy-N-methyl-2-nitrobenzenamine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-Amino-5-methoxy-1-methylbenzimidazole (CAS 1805-02-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1173465-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.